Electric motor



N0'M 1, E. STOREY. ELECTRIC MOTOR.

a, atented 001;. 22, 1895.

UNTTED STATES PATENT Enron.

IMLE E. STOREY, OF HORNELLSVlLLE, NEW YORK, ASSIGNOR TO THE STOREYELECTRIC DRILL AND POWER COMPANY, OF COLORADO.

ELECTRIC MOTOR.

SPECIFICATION forming part of Letters iatent No. 548,402, dated October22, 1895.

Application filed January 28, 1898. Serial No. 460,070. (No model.)

To all whom it may concern;

Be it known that LIMLE E. STOREY, a citizen of the United States,residing at Hornellsville, in the county of Steuben and State of NewYork, have invented certain new and useful Improvements in ElectricMotors, of which the following is a full, clear, and exact description.

This invention relates to electric motors,

I0 the object being to produce a motor which shall be symmetrical andcompact in shape, cheap to manufacture, and efficient in operation.

The invention has special reference to a motor having a disk-armature.

The invention consists in general of a hollow body or shell constitutingthe core of the field-magnet and inclosing a field-magnet coil, adisk-armature, and two pole-pieces, the last projecting from the innerwalls of the shell.

The invention will be described in detail with reference to theaccompanying drawings, in which Figure l is a longitudinal section ofthe 2 5 motor, and Fig. 2 is a transverse section taken on line a: a: ofFig. 1.

Referring to the drawings by letter,A represents a cylindrical,spherical, or other closedin hollow body or shell. It is made in two 0parts joined together at a. This shell incloses a field-magnet coil B,which hugs the inner wall and stands at right angles to the axis of theshell, along which the armatureshaft 0 is located. The heads a. a. ofthe 5 shell are of magnetic material, and from each of them there is aninward projection a having a flat face a standing in a plane at rightangles to the armature-shaft and constituting a pole-piece. Thesepole-pieces are located on opposite sides of the shaft, and as they areconnected with the magnetic core on opposite sides of the coil they willhave opposite polarities. Between these two polepieces and mounted uponthe shaft is a diskarmature 0. By constructing the machine 5 in this wayan armature of greater diameter may be used and the machine shortened inthe direction of its shaft. Such a machine is particularly adapted for afan-motor. The commutator 0 may be placed either inside or outside ofthe shell.

Having thus described my invention, I claim- An electric motorconsisting of a hollow body or shell of magnetic material made in twoclosed cup-shaped parts, secured together and inclosing a single fieldmagnet coil, an armature whose working faces are at right angles to itsshaft, and pole pieces projecting inward from the parts of the shell andfacing 6:) the sides of the armature, the armature bearings beinglocated in said cup shaped parts respectively, substantially asdescribed.

In testimony whereof I subscribe my signature in presence of twowitnesses.

IMLE E. STOREY. Witnesses:

FRANK S. OBER, W. A. OPPERMAN.

